Acid-Chlorite Pretreatment and Liquefaction of Cornstalk in Hot-Compressed Water for Bio-oil Production

被引：35
|
作者：
Liu, Hua-Min [1 ]
Feng, Bing [2 ]
Sun, Run-Cang [1 ,3 ]
机构：
[1] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China
[2] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Peoples R China
[3] Beijing Forestry Univ, Inst Biomass Chem & Technol, Beijing 100083, Peoples R China
来源：
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2011年 / 59卷 / 19期
基金：
中国国家自然科学基金;
关键词：
liquefaction; pretreatment; cornstalk; CONVERSION; BIOMASS; TEMPERATURE; PYROLYSIS; ETHANOL;
D O I：
10.1021/jf2025902
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
In this study, cornstalk was pretreated by an acid-chlorite delignification procedure to enhance the conversion of cornstalk to bio-oil in hot-compressed water liquefaction. The effects of the pretreatment conditions on the compositional and structural changes of the cornstalk and bio-oil yield were investigated. It was found that acid-chlorite pretreatment changed the main components and physical structures of cornstalk and effectively enhanced the bio-oil yield. Shorter residence time favored production of the total bio-oil products, whereas longer time led to cracking of the products. A high water loading was found to be favorable for high yields of total bio-oil and water-soluble oil. GC-MS analysis showed that the water-soluble oil and heavy oil were the complicated products of C5-10 and C8-11 organic compounds.
引用
收藏
页码：10524 / 10531
页数：8
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